Finding the Fourth Proportional to 213,176,181.99, 319,794,775.86 and 65,636,225.40
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Solution
The fourth proportional to 213,176,181.99, 319,794,775.86 and 65,636,225.40 is: 98,463,729.83
Step by Step Solution
- Step 1: Write the proportion equation
213,176,181.99 : 319,794,775.86 = 65,636,225.40 : x - Step 2: Convert to fraction form
213,176,181.99/319,794,775.86 = 65,636,225.40/x - Step 3: Cross multiply
213,176,181.99x = 319,794,775.86 × 65,636,225.40 - Step 4: Simplify right side
213,176,181.99x = 20,990,121,990,089,440 - Step 5: Solve for x
x = 20,990,121,990,089,440/213,176,181.99 - Step 6: Final answer
x = 98,463,729.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.